.day-mode .preview {
    background-color: #fcfaf2;
    color: #b1b1b1;
    overflow-y: auto;
}
.night-mode .preview {
    background-color: #4c4c4c;
    color: #b1b1b1;
    overflow-y: auto;
}
.preview .title {
    margin-bottom: 20px;
}
.preview .content {
    word-wrap: break-word;
}